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Total electron content reconstruction using GNSS data

Project description

gnss-tec is a Python package to reconstruct slant total electron content in the ionosphere using data provided by global navigation satellite systems (GPS, GLONASS, etc.). The module uses carrier phase and pseudo-range measurements from RINEX observation files as input.


  • phase & pseudo-range TEC reconstruction
  • RINEX v2.n & 3.n support


A short usage example:

from gnss_tec import rnx
from gnss_tec.glo import collect_freq_nums

glo_freq_nums = collect_freq_nums('site0390.17g')

with open('site0390.17o') as obs_file:
    reader = rnx(obs_file, glo_freq_nums=glo_freq_nums)
    for tec in reader:
            '{} {}: {} {}'.format(


$ pip install gnss-tec


Distributed under the terms of the MIT license, gnss-tec is free and open source software.

Copyright Ilya Zhivetiev, 2019.

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